Assignment Of Communication Channels - Mitsubishi Electric MELSEC-F FX3G Series User Manual

FX Series Programmable Controllers
3G
User's Manual - Hardware Edition
7.3

Assignment of Communication Channels

7.3.1 Assignment of communication channels
When the communication expansion board or special communication adapter is used, the main unit (CPU)
automatically assigns communication channels at the time of power ON. The number of available
communication channels varies depending on the main unit type.
• Main unit (40/60 point type) : Max 2ch
• Main unit (14/24 point type) : Max 1ch
1. In the case of main unit (40/60 point type)
"Ch1" is assigned to the communication expansion board connected to the BD1 connector or the first special
communication adapter connected to the connector conversion adapter.
"Ch2" is assigned to the communication expansion board, FX
connected to the BD2 connector or the second special communication adapter connected to the connector
conversion adapter.
Only between the communication expansion board, FX
FX -2EYT-BD, FX
3G
(which requires the connector conversion adapter) can be used.
ch2 ch1
Communication
special adapter
2. In the case of main unit (14/24 point type)
"Ch1" is assigned to the communication expansion board, FX
connected to the BD connector or the special communication adapter connected to the connector conversion
adapter.
ch1
96
-8AV-BD and the special communication adapter
3G
Main unit (40/60 point type)
BD1 connector BD2 connector
ch1 ch2
Communication
expansion board,
FX -4EX-BD,
3G
FX -2EYT-BD,
3G
FX -8AV-BD
3G
Main unit
(14/24 point type)
BD connector
ch1
7 Assignment of Input/Output Numbers and Unit Numbers
7.3 Assignment of Communication Channels
-4EX-BD, FX
3G
-4EX-BD,
3G
Connector
conversion
adapter (BD1)
Communication special adapter
Only either one between the communication expansion board
and the special communication adapter (which requires the
connector conversion adapter) can be used.
-4EX-BD, FX
3G
ch1
Connector
conversion
adapter (BD)
Communication special adapter
Only either one between the communication expansion board,
FX -4EX-BD, FX -2EYT-BD, FX
3G 3G
communication adapter (which requires the connector conversion
adapter) can be used.
-2EYT-BD, FX
3G
ch1
Communication
Or
expansion
board (BD1)
-2EYT-BD, FX
3G
Communication
Or
expansion
board (BD)
-8AV-BD and the special
3G
-8AV-BD
3G
-8AV-BD
3G